Home / 5,729.51-8,547.67-5,655.80

Finding the Fourth Proportional to 5,729.51, 8,547.67 and 5,655.80

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Solution

The fourth proportional to 5,729.51, 8,547.67 and 5,655.80 is: 8,437.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.51 : 8,547.67 = 5,655.80 : x
  2. Step 2: Convert to fraction form
    5,729.51/8,547.67 = 5,655.80/x
  3. Step 3: Cross multiply
    5,729.51x = 8,547.67 × 5,655.80
  4. Step 4: Simplify right side
    5,729.51x = 48,343,911.99
  5. Step 5: Solve for x
    x = 48,343,911.99/5,729.51
  6. Step 6: Final answer
    x = 8,437.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.