Home / 7,030.16-9,702.20-3,886.96

Finding the Fourth Proportional to 7,030.16, 9,702.20 and 3,886.96

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Solution

The fourth proportional to 7,030.16, 9,702.20 and 3,886.96 is: 5,364.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.16 : 9,702.20 = 3,886.96 : x
  2. Step 2: Convert to fraction form
    7,030.16/9,702.20 = 3,886.96/x
  3. Step 3: Cross multiply
    7,030.16x = 9,702.20 × 3,886.96
  4. Step 4: Simplify right side
    7,030.16x = 37,712,063.31
  5. Step 5: Solve for x
    x = 37,712,063.31/7,030.16
  6. Step 6: Final answer
    x = 5,364.33

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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.