Home / 7,554.57-10,423.59-4,720.98

Finding the Fourth Proportional to 7,554.57, 10,423.59 and 4,720.98

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Solution

The fourth proportional to 7,554.57, 10,423.59 and 4,720.98 is: 6,513.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,554.57 : 10,423.59 = 4,720.98 : x
  2. Step 2: Convert to fraction form
    7,554.57/10,423.59 = 4,720.98/x
  3. Step 3: Cross multiply
    7,554.57x = 10,423.59 × 4,720.98
  4. Step 4: Simplify right side
    7,554.57x = 49,209,581.30
  5. Step 5: Solve for x
    x = 49,209,581.30/7,554.57
  6. Step 6: Final answer
    x = 6,513.89

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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.