Home / 5,617.58-8,426.59-1,457.48

Finding the Fourth Proportional to 5,617.58, 8,426.59 and 1,457.48

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Solution

The fourth proportional to 5,617.58, 8,426.59 and 1,457.48 is: 2,186.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.58 : 8,426.59 = 1,457.48 : x
  2. Step 2: Convert to fraction form
    5,617.58/8,426.59 = 1,457.48/x
  3. Step 3: Cross multiply
    5,617.58x = 8,426.59 × 1,457.48
  4. Step 4: Simplify right side
    5,617.58x = 12,281,586.39
  5. Step 5: Solve for x
    x = 12,281,586.39/5,617.58
  6. Step 6: Final answer
    x = 2,186.28

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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.