Home / 7,557.90-10,430.40-4,573.86

Finding the Fourth Proportional to 7,557.90, 10,430.40 and 4,573.86

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Solution

The fourth proportional to 7,557.90, 10,430.40 and 4,573.86 is: 6,312.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.90 : 10,430.40 = 4,573.86 : x
  2. Step 2: Convert to fraction form
    7,557.90/10,430.40 = 4,573.86/x
  3. Step 3: Cross multiply
    7,557.90x = 10,430.40 × 4,573.86
  4. Step 4: Simplify right side
    7,557.90x = 47,707,189.34
  5. Step 5: Solve for x
    x = 47,707,189.34/7,557.90
  6. Step 6: Final answer
    x = 6,312.23

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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.