Home / 5,697.81-8,547.74-2,579.28

Finding the Fourth Proportional to 5,697.81, 8,547.74 and 2,579.28

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Solution

The fourth proportional to 5,697.81, 8,547.74 and 2,579.28 is: 3,869.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,697.81 : 8,547.74 = 2,579.28 : x
  2. Step 2: Convert to fraction form
    5,697.81/8,547.74 = 2,579.28/x
  3. Step 3: Cross multiply
    5,697.81x = 8,547.74 × 2,579.28
  4. Step 4: Simplify right side
    5,697.81x = 22,047,001.93
  5. Step 5: Solve for x
    x = 22,047,001.93/5,697.81
  6. Step 6: Final answer
    x = 3,869.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.