Home / 1,864.47-2,572.95-1,025.16

Finding the Fourth Proportional to 1,864.47, 2,572.95 and 1,025.16

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Solution

The fourth proportional to 1,864.47, 2,572.95 and 1,025.16 is: 1,414.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.47 : 2,572.95 = 1,025.16 : x
  2. Step 2: Convert to fraction form
    1,864.47/2,572.95 = 1,025.16/x
  3. Step 3: Cross multiply
    1,864.47x = 2,572.95 × 1,025.16
  4. Step 4: Simplify right side
    1,864.47x = 2,637,685.42
  5. Step 5: Solve for x
    x = 2,637,685.42/1,864.47
  6. Step 6: Final answer
    x = 1,414.71

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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.