Home / 1,612.84-2,226.86-1,259.16

Finding the Fourth Proportional to 1,612.84, 2,226.86 and 1,259.16

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Solution

The fourth proportional to 1,612.84, 2,226.86 and 1,259.16 is: 1,738.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.84 : 2,226.86 = 1,259.16 : x
  2. Step 2: Convert to fraction form
    1,612.84/2,226.86 = 1,259.16/x
  3. Step 3: Cross multiply
    1,612.84x = 2,226.86 × 1,259.16
  4. Step 4: Simplify right side
    1,612.84x = 2,803,973.04
  5. Step 5: Solve for x
    x = 2,803,973.04/1,612.84
  6. Step 6: Final answer
    x = 1,738.53

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,613.84, 2,228.24 and 1,260.16
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.