Home / 1,877.96-2,592.12-1,132.40

Finding the Fourth Proportional to 1,877.96, 2,592.12 and 1,132.40

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Solution

The fourth proportional to 1,877.96, 2,592.12 and 1,132.40 is: 1,563.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877.96 : 2,592.12 = 1,132.40 : x
  2. Step 2: Convert to fraction form
    1,877.96/2,592.12 = 1,132.40/x
  3. Step 3: Cross multiply
    1,877.96x = 2,592.12 × 1,132.40
  4. Step 4: Simplify right side
    1,877.96x = 2,935,316.69
  5. Step 5: Solve for x
    x = 2,935,316.69/1,877.96
  6. Step 6: Final answer
    x = 1,563.03

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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.