Home / 7,030.11-9,701.53-3,886.29

Finding the Fourth Proportional to 7,030.11, 9,701.53 and 3,886.29

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Solution

The fourth proportional to 7,030.11, 9,701.53 and 3,886.29 is: 5,363.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.11 : 9,701.53 = 3,886.29 : x
  2. Step 2: Convert to fraction form
    7,030.11/9,701.53 = 3,886.29/x
  3. Step 3: Cross multiply
    7,030.11x = 9,701.53 × 3,886.29
  4. Step 4: Simplify right side
    7,030.11x = 37,702,959.02
  5. Step 5: Solve for x
    x = 37,702,959.02/7,030.11
  6. Step 6: Final answer
    x = 5,363.07

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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.