Home / 5,779.30-7,948.98-4,763.86

Finding the Fourth Proportional to 5,779.30, 7,948.98 and 4,763.86

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Solution

The fourth proportional to 5,779.30, 7,948.98 and 4,763.86 is: 6,552.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.30 : 7,948.98 = 4,763.86 : x
  2. Step 2: Convert to fraction form
    5,779.30/7,948.98 = 4,763.86/x
  3. Step 3: Cross multiply
    5,779.30x = 7,948.98 × 4,763.86
  4. Step 4: Simplify right side
    5,779.30x = 37,867,827.86
  5. Step 5: Solve for x
    x = 37,867,827.86/5,779.30
  6. Step 6: Final answer
    x = 6,552.32

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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.