Home / 5,018.87-7,528.38-2,386.64

Finding the Fourth Proportional to 5,018.87, 7,528.38 and 2,386.64

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Solution

The fourth proportional to 5,018.87, 7,528.38 and 2,386.64 is: 3,580.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.87 : 7,528.38 = 2,386.64 : x
  2. Step 2: Convert to fraction form
    5,018.87/7,528.38 = 2,386.64/x
  3. Step 3: Cross multiply
    5,018.87x = 7,528.38 × 2,386.64
  4. Step 4: Simplify right side
    5,018.87x = 17,967,532.84
  5. Step 5: Solve for x
    x = 17,967,532.84/5,018.87
  6. Step 6: Final answer
    x = 3,580.00

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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.