Home / 4,672.99-7,009.51-1,386.11

Finding the Fourth Proportional to 4,672.99, 7,009.51 and 1,386.11

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Solution

The fourth proportional to 4,672.99, 7,009.51 and 1,386.11 is: 2,079.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.99 : 7,009.51 = 1,386.11 : x
  2. Step 2: Convert to fraction form
    4,672.99/7,009.51 = 1,386.11/x
  3. Step 3: Cross multiply
    4,672.99x = 7,009.51 × 1,386.11
  4. Step 4: Simplify right side
    4,672.99x = 9,715,972.46
  5. Step 5: Solve for x
    x = 9,715,972.46/4,672.99
  6. Step 6: Final answer
    x = 2,079.18

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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.