Home / 1,903.38-2,626.47-1,117.14

Finding the Fourth Proportional to 1,903.38, 2,626.47 and 1,117.14

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Solution

The fourth proportional to 1,903.38, 2,626.47 and 1,117.14 is: 1,541.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903.38 : 2,626.47 = 1,117.14 : x
  2. Step 2: Convert to fraction form
    1,903.38/2,626.47 = 1,117.14/x
  3. Step 3: Cross multiply
    1,903.38x = 2,626.47 × 1,117.14
  4. Step 4: Simplify right side
    1,903.38x = 2,934,134.70
  5. Step 5: Solve for x
    x = 2,934,134.70/1,903.38
  6. Step 6: Final answer
    x = 1,541.54

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Half scale
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Double scale
Find fourth proportional to 1,904.38, 2,627.85 and 1,118.14
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.