Home / 7,235.02-9,980.58-4,577.86

Finding the Fourth Proportional to 7,235.02, 9,980.58 and 4,577.86

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Solution

The fourth proportional to 7,235.02, 9,980.58 and 4,577.86 is: 6,315.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,235.02 : 9,980.58 = 4,577.86 : x
  2. Step 2: Convert to fraction form
    7,235.02/9,980.58 = 4,577.86/x
  3. Step 3: Cross multiply
    7,235.02x = 9,980.58 × 4,577.86
  4. Step 4: Simplify right side
    7,235.02x = 45,689,697.96
  5. Step 5: Solve for x
    x = 45,689,697.96/7,235.02
  6. Step 6: Final answer
    x = 6,315.08

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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.