Home / 7,317.08-10,969.13-2,931.53

Finding the Fourth Proportional to 7,317.08, 10,969.13 and 2,931.53

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Solution

The fourth proportional to 7,317.08, 10,969.13 and 2,931.53 is: 4,394.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.08 : 10,969.13 = 2,931.53 : x
  2. Step 2: Convert to fraction form
    7,317.08/10,969.13 = 2,931.53/x
  3. Step 3: Cross multiply
    7,317.08x = 10,969.13 × 2,931.53
  4. Step 4: Simplify right side
    7,317.08x = 32,156,368.42
  5. Step 5: Solve for x
    x = 32,156,368.42/7,317.08
  6. Step 6: Final answer
    x = 4,394.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.