Home / 6,316.85-8,720.37-4,897.32

Finding the Fourth Proportional to 6,316.85, 8,720.37 and 4,897.32

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Solution

The fourth proportional to 6,316.85, 8,720.37 and 4,897.32 is: 6,760.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316.85 : 8,720.37 = 4,897.32 : x
  2. Step 2: Convert to fraction form
    6,316.85/8,720.37 = 4,897.32/x
  3. Step 3: Cross multiply
    6,316.85x = 8,720.37 × 4,897.32
  4. Step 4: Simplify right side
    6,316.85x = 42,706,442.41
  5. Step 5: Solve for x
    x = 42,706,442.41/6,316.85
  6. Step 6: Final answer
    x = 6,760.72

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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.