Home / 7,714.96-10,646.28-4,570.64

Finding the Fourth Proportional to 7,714.96, 10,646.28 and 4,570.64

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Solution

The fourth proportional to 7,714.96, 10,646.28 and 4,570.64 is: 6,307.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,714.96 : 10,646.28 = 4,570.64 : x
  2. Step 2: Convert to fraction form
    7,714.96/10,646.28 = 4,570.64/x
  3. Step 3: Cross multiply
    7,714.96x = 10,646.28 × 4,570.64
  4. Step 4: Simplify right side
    7,714.96x = 48,660,313.22
  5. Step 5: Solve for x
    x = 48,660,313.22/7,714.96
  6. Step 6: Final answer
    x = 6,307.27

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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.