Home / 4,700.40-7,078.09-3,476.45

Finding the Fourth Proportional to 4,700.40, 7,078.09 and 3,476.45

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Solution

The fourth proportional to 4,700.40, 7,078.09 and 3,476.45 is: 5,235.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,700.40 : 7,078.09 = 3,476.45 : x
  2. Step 2: Convert to fraction form
    4,700.40/7,078.09 = 3,476.45/x
  3. Step 3: Cross multiply
    4,700.40x = 7,078.09 × 3,476.45
  4. Step 4: Simplify right side
    4,700.40x = 24,606,581.90
  5. Step 5: Solve for x
    x = 24,606,581.90/4,700.40
  6. Step 6: Final answer
    x = 5,235.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.