Home / 7,065.20-9,758.28-4,703.12

Finding the Fourth Proportional to 7,065.20, 9,758.28 and 4,703.12

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Solution

The fourth proportional to 7,065.20, 9,758.28 and 4,703.12 is: 6,495.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065.20 : 9,758.28 = 4,703.12 : x
  2. Step 2: Convert to fraction form
    7,065.20/9,758.28 = 4,703.12/x
  3. Step 3: Cross multiply
    7,065.20x = 9,758.28 × 4,703.12
  4. Step 4: Simplify right side
    7,065.20x = 45,894,361.83
  5. Step 5: Solve for x
    x = 45,894,361.83/7,065.20
  6. Step 6: Final answer
    x = 6,495.83

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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.