Home / 7,030.70-10,547.92-2,100.38

Finding the Fourth Proportional to 7,030.70, 10,547.92 and 2,100.38

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Solution

The fourth proportional to 7,030.70, 10,547.92 and 2,100.38 is: 3,151.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.70 : 10,547.92 = 2,100.38 : x
  2. Step 2: Convert to fraction form
    7,030.70/10,547.92 = 2,100.38/x
  3. Step 3: Cross multiply
    7,030.70x = 10,547.92 × 2,100.38
  4. Step 4: Simplify right side
    7,030.70x = 22,154,640.21
  5. Step 5: Solve for x
    x = 22,154,640.21/7,030.70
  6. Step 6: Final answer
    x = 3,151.13

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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.