Home / 7,158.48-9,877.40-4,325.10

Finding the Fourth Proportional to 7,158.48, 9,877.40 and 4,325.10

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Solution

The fourth proportional to 7,158.48, 9,877.40 and 4,325.10 is: 5,967.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.48 : 9,877.40 = 4,325.10 : x
  2. Step 2: Convert to fraction form
    7,158.48/9,877.40 = 4,325.10/x
  3. Step 3: Cross multiply
    7,158.48x = 9,877.40 × 4,325.10
  4. Step 4: Simplify right side
    7,158.48x = 42,720,742.74
  5. Step 5: Solve for x
    x = 42,720,742.74/7,158.48
  6. Step 6: Final answer
    x = 5,967.85

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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.