Home / 7,029.28-9,700.84-4,045.04

Finding the Fourth Proportional to 7,029.28, 9,700.84 and 4,045.04

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Solution

The fourth proportional to 7,029.28, 9,700.84 and 4,045.04 is: 5,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.28 : 9,700.84 = 4,045.04 : x
  2. Step 2: Convert to fraction form
    7,029.28/9,700.84 = 4,045.04/x
  3. Step 3: Cross multiply
    7,029.28x = 9,700.84 × 4,045.04
  4. Step 4: Simplify right side
    7,029.28x = 39,240,285.83
  5. Step 5: Solve for x
    x = 39,240,285.83/7,029.28
  6. Step 6: Final answer
    x = 5,582.40

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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.