Home / 1,547.99-2,135.36-1,076.16

Finding the Fourth Proportional to 1,547.99, 2,135.36 and 1,076.16

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Solution

The fourth proportional to 1,547.99, 2,135.36 and 1,076.16 is: 1,484.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547.99 : 2,135.36 = 1,076.16 : x
  2. Step 2: Convert to fraction form
    1,547.99/2,135.36 = 1,076.16/x
  3. Step 3: Cross multiply
    1,547.99x = 2,135.36 × 1,076.16
  4. Step 4: Simplify right side
    1,547.99x = 2,297,983.64
  5. Step 5: Solve for x
    x = 2,297,983.64/1,547.99
  6. Step 6: Final answer
    x = 1,484.50

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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.