Home / 7,001.29-10,500.99-2,071.45

Finding the Fourth Proportional to 7,001.29, 10,500.99 and 2,071.45

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Solution

The fourth proportional to 7,001.29, 10,500.99 and 2,071.45 is: 3,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001.29 : 10,500.99 = 2,071.45 : x
  2. Step 2: Convert to fraction form
    7,001.29/10,500.99 = 2,071.45/x
  3. Step 3: Cross multiply
    7,001.29x = 10,500.99 × 2,071.45
  4. Step 4: Simplify right side
    7,001.29x = 21,752,275.74
  5. Step 5: Solve for x
    x = 21,752,275.74/7,001.29
  6. Step 6: Final answer
    x = 3,106.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.