Home / 1,885.08-2,598.36-1,511.40

Finding the Fourth Proportional to 1,885.08, 2,598.36 and 1,511.40

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Solution

The fourth proportional to 1,885.08, 2,598.36 and 1,511.40 is: 2,083.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885.08 : 2,598.36 = 1,511.40 : x
  2. Step 2: Convert to fraction form
    1,885.08/2,598.36 = 1,511.40/x
  3. Step 3: Cross multiply
    1,885.08x = 2,598.36 × 1,511.40
  4. Step 4: Simplify right side
    1,885.08x = 3,927,161.30
  5. Step 5: Solve for x
    x = 3,927,161.30/1,885.08
  6. Step 6: Final answer
    x = 2,083.29

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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.