Home / 1,451.60-2,003.97-1,136.19

Finding the Fourth Proportional to 1,451.60, 2,003.97 and 1,136.19

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Solution

The fourth proportional to 1,451.60, 2,003.97 and 1,136.19 is: 1,568.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451.60 : 2,003.97 = 1,136.19 : x
  2. Step 2: Convert to fraction form
    1,451.60/2,003.97 = 1,136.19/x
  3. Step 3: Cross multiply
    1,451.60x = 2,003.97 × 1,136.19
  4. Step 4: Simplify right side
    1,451.60x = 2,276,890.67
  5. Step 5: Solve for x
    x = 2,276,890.67/1,451.60
  6. Step 6: Final answer
    x = 1,568.54

Related Problems

Find fourth proportional to 725.80, 1,001.99 and 568.10
Half scale
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Double scale
Find fourth proportional to 1,452.60, 2,005.35 and 1,137.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.