Home / 7,330.79-10,109.95-5,756.15

Finding the Fourth Proportional to 7,330.79, 10,109.95 and 5,756.15

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Solution

The fourth proportional to 7,330.79, 10,109.95 and 5,756.15 is: 7,938.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.79 : 10,109.95 = 5,756.15 : x
  2. Step 2: Convert to fraction form
    7,330.79/10,109.95 = 5,756.15/x
  3. Step 3: Cross multiply
    7,330.79x = 10,109.95 × 5,756.15
  4. Step 4: Simplify right side
    7,330.79x = 58,194,399.58
  5. Step 5: Solve for x
    x = 58,194,399.58/7,330.79
  6. Step 6: Final answer
    x = 7,938.35

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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.