Home / 7,007.40-9,669.85-4,354.75

Finding the Fourth Proportional to 7,007.40, 9,669.85 and 4,354.75

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Solution

The fourth proportional to 7,007.40, 9,669.85 and 4,354.75 is: 6,009.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.40 : 9,669.85 = 4,354.75 : x
  2. Step 2: Convert to fraction form
    7,007.40/9,669.85 = 4,354.75/x
  3. Step 3: Cross multiply
    7,007.40x = 9,669.85 × 4,354.75
  4. Step 4: Simplify right side
    7,007.40x = 42,109,780.49
  5. Step 5: Solve for x
    x = 42,109,780.49/7,007.40
  6. Step 6: Final answer
    x = 6,009.33

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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.