Home / 5,785.04-7,980.36-4,018.16

Finding the Fourth Proportional to 5,785.04, 7,980.36 and 4,018.16

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Solution

The fourth proportional to 5,785.04, 7,980.36 and 4,018.16 is: 5,542.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.04 : 7,980.36 = 4,018.16 : x
  2. Step 2: Convert to fraction form
    5,785.04/7,980.36 = 4,018.16/x
  3. Step 3: Cross multiply
    5,785.04x = 7,980.36 × 4,018.16
  4. Step 4: Simplify right side
    5,785.04x = 32,066,363.34
  5. Step 5: Solve for x
    x = 32,066,363.34/5,785.04
  6. Step 6: Final answer
    x = 5,542.98

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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.