Home / 5,301.28-7,912.58-4,678.53

Finding the Fourth Proportional to 5,301.28, 7,912.58 and 4,678.53

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Solution

The fourth proportional to 5,301.28, 7,912.58 and 4,678.53 is: 6,983.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.28 : 7,912.58 = 4,678.53 : x
  2. Step 2: Convert to fraction form
    5,301.28/7,912.58 = 4,678.53/x
  3. Step 3: Cross multiply
    5,301.28x = 7,912.58 × 4,678.53
  4. Step 4: Simplify right side
    5,301.28x = 37,019,242.91
  5. Step 5: Solve for x
    x = 37,019,242.91/5,301.28
  6. Step 6: Final answer
    x = 6,983.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.