Home / 2,715.06-3,746.73-1,783.50

Finding the Fourth Proportional to 2,715.06, 3,746.73 and 1,783.50

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Solution

The fourth proportional to 2,715.06, 3,746.73 and 1,783.50 is: 2,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.06 : 3,746.73 = 1,783.50 : x
  2. Step 2: Convert to fraction form
    2,715.06/3,746.73 = 1,783.50/x
  3. Step 3: Cross multiply
    2,715.06x = 3,746.73 × 1,783.50
  4. Step 4: Simplify right side
    2,715.06x = 6,682,292.96
  5. Step 5: Solve for x
    x = 6,682,292.96/2,715.06
  6. Step 6: Final answer
    x = 2,461.20

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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.